http://tinyurl.com/l2hpdag<P>Wayne ESP25 12-Volt 3300 Gallons Per Hour Battery Back Up Sump Pump SystemProduct Review<P> Click on the link for more reviews<P>2300-Gallons per hour at 10-feet of lift<P>Corrosion resistant thermoplastic construction<P>Alarm sounds to notify you when the backup system is active<P>Requires one 40-ampere hour or one 75-ampere hour battery<P>1-Year limited warranty<P>
